HJC RPHA 91 Solid Modular Motorcycle Helmet Size:S making a statement on every

making a statement on every journey

enabling the helmet to be more easily removed from the head

and elbows

Size Head ( CM ) Head ( In ) Hat Size ( In ) XS 53-54 cm 20 7/8-21 1/4 6 5/8-6 3/4 S 55-56 cm 21 5/8-22 6 7/8-7 M 57-58 cm 22 1/2-22 6 7/8-7 L 59-60 cm 23 1/4-23 5/8 7 3/8-7 1/2 XL 61-62 cm 24-24 3/8 7 5/8-7 3/4 2XL 63-64 cm 24 3/4-25 1/8 7 7/8-8

Shoei RF-SR Helmet

HJC RPHA 91 Solid Modular Motorcycle Helmet Size:S making a statement on everyHJC RPHA 91 Solid Modular Motorcycle Helmet. The RPHA 91 is HJC's new modular touring helmet that was engineered for all day comfort. The new Premium Integrated Matrix EVO shell (P. I. M. EVO) provides enhanced shock resistant performance and is lightweight by using reinforcement materials that include carbon aramid, carbon fiber, glass fiber, organic non woven fabric, and linen fiber (natural fiber). The new distortion free, HJ 37 face shield and HJ